About some inequalities concerning the fractional part. Gica, Alexandru — 2004 Acta Universitatis Apulensis. Mathematics - Informatics
A generalization of a result of Fermat. Gica, Alexandru — 2007 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
On Obláth's problem. Gica, Alexandru; Panaitopol, Laurenţiu — 2003 Journal of Integer Sequences [electronic only]